OCTAVES
| Date | Clue |
|---|---|
| 2026-11-02 | A professional singer can usually cover more than one of these |
| 2025-02-21 | Musical units |
| 2017-05-28 | Scales span them |
| 2016-02-14 | A piano has seven of them |
| 2010-07-30 | Musical series |
| 2006-03-10 | Staff sizes? |
| 2000-12-30 | Some exercises |
| 1999-02-21 | Musical intervals |
| 1997-06-06 | Parts of sonnets |